Journal of Nutrition & Food Sciences
Open Access
ISSN: 2155-9600
ISSN: 2155-9600
Iman A Hakim
Mel & Enid Zuckerman College of Public Health,
1295 N Martin Ave. P.O. Box 245163, Tucson, AZ 85724
Tanzania
Mini Review
Effects of Black and Green Tea Consumption on Blood Pressure and Liver Enzymes: A Randomized Controlled Trial
Author(s): Iman A Hakim, Linda Garland, Robin Harris and H-H Sherry ChowIman A Hakim, Linda Garland, Robin Harris and H-H Sherry Chow
Background: The effect on tea consumption on blood pressure and liver enzymes are controversial. The beneficial effects of long-term ingestion of black and green tea on systolic and diastolic blood pressure have been suggested by several studies.
Objectives: The overall goal of this study was to determine the effects of high tea consumption on blood pressure and liver enzymes.
Design: We completed a 6-month randomized, controlled, double-blinded trial in a group of former and current smokers who were randomized to receive black or green tea preparations or a matching placebo.
Results: A total of 146 participants (80 females and 66 males) were enrolled in the study. At the end of the 6-month intervention, women in the black tea group showed a 4 mmHg decrease (p = 0.01) in systolic blood pressure wh.. View More»
DOI:
10.4172/2155-9600.1000661